压电换能器一致性对声波测井曲线影响的探讨  

作　　者：史峰[1] 赵元山[2] 黄引娣[3] 景韫国[3] 冯以升[3] 马海军[3] 朱东华[3] 

机构地区：[1]长江大学第五学院 [2]中国电子科技集团第二十二研究所 [3]河南油田测井公司

出　　处：《石油仪器》2006年第3期48-51,99-100,共4页Petroleum Instruments

摘　　要：声波测井在油气勘探中有着非常重要的作用,其传输用的发射和接收晶体一致性对声波测井曲线具有重要的影响,换能器振动时表现出的动态电性参数由换能器的振动模态决定。文章介绍了换能器的频率特征的测量原理,并对换能器压电晶体的频率特征进行了测量,分析了压电换能器频率特征一致性差对声波测井曲线的影响。The Impact of the Piezoelectric Devices Consistency on the Acoustic LoggingSound wave logging plays a very important role in oil and gas exploration.The crystal consistency which is used in the transmission of its launch and reception has important implications for audio logging curve.The dynamic parameters of the vibration device is determined by the vibration module.The article introduces devices for the measurement of the frequency theory,use the practical device to measure the frequency characteristics of a piezoelectric crystal,and analyzes the impact of the piezoelectric devices for frequency consistency to the acoustic logging curve.

关 键 词：压电换能器 声波测井 测井曲线 一致性 频率 

分 类 号：P631.811[天文地球—地质矿产勘探]